GLOSSARY

Page tree

Versions Compared

Old Version 59

changes.mady.by.user Arthur Aslanyan (Nafta College)

Saved on

compared with

New Version 60

changes.mady.by.user Arthur Aslanyan (Nafta College)

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

@wikipedia


Expand
titleBy recoverable volume


Super-GiantGiantBigMediumSmall
> 5 billion bbl> 500 million bbl> 50 million bbl> 5 million bbl< 5 million bbl



Expand
titleBy uncertainty (SPE)


2P = Proven P90 + Possible P50
1P = Proven P90Probable P50Possible P10
Proven developed (PD)Proven Undeveloped (PUD)




Expand
titleBy complexity


ConventionalUnconventional
GasCondensate
OilHeavy OilShale GasShale OilBitumen




Expand
titleBy oil density




GasCondensateLight crudeMedium crudeHeavy crudeExtra heavy crude
kg/m3

< 870870 – 920920 – 1000> 1000
API

> 31.1°22.3° – 31.1°10° – 22.3°< 10°




Expand
titleBy sulfur content



Sweet crudeSour crude oil
Sulfur  < 0.5%Sulfur  > 0.5%





Expand
titleBy mobility



Specific GravityAPI Gravity

High perm

Medium perm

Low perm

Tight (Shale)


fracAPI> 100 md10 md  ÷ 100 md0.1 md ÷ 10 md< 0.1 md
Gas< 0.7> 70° 



Condensate0.7 ÷ 0.87> 45° 



Light Oil< 0.87> 31.1°



Medium Oil0.87 ÷ 0.9222.3° ÷ 31.1°



Heavy Oil0.92 ÷ 1.010° ÷ 22.3°



Extra Heavy Oil (Bitumen)> 1.04° ÷ 10°




where box colors mean:

Conventional ReservesUnconventional Reserves Unrecoverable Reserves

and the ranges of properties in the table are only tentatively define the category based on the industry statistics and conventions, which vary over history and locations.


Expand
titleBy reservoir homogeneity


MatrixFissuredFracturedFaultedCompartmentalized



Expand
titleBy trap structure


AnticlineStratigraphicNormal FaultThrust Fault

Excerpt Include
Anticline Structure
Anticline Structure
nopaneltrue

Excerpt Include
Stratigraphic Structure
Stratigraphic Structure
nopaneltrue

Excerpt Include
Normal Fault Structure
Normal Fault Structure
nopaneltrue

Excerpt Include
Thrust Fault Structure
Thrust Fault Structure
nopaneltrue




See Also

Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology /  Petroleum Reservoir / Hydrocarbon Reserves

[ Russian Reserves Categories ]


References

https://www.spe.org/industry/reserves.php

https://www.spe.org/industry/docs/GuidelinesEvaluationReservesResources_2001.pdf

https://www.spe.org/industry/docs/PRMS-Guide-for-Non-Technical-Users-2007.pdf


Show If
grouparax


Panel
bgColorpapayawhip
titleARAX

[1] Dr. Jon Olson, Dr. Mukul Sharma, Dr. Zoya Heidari, Shale Fracturing: The Geology And Technology That Sustained The Boom